P

Inventor

HAYS JOHN MICHAEL

US4 patents
⚠️ This page may combine multiple inventors who share the name “HAYS JOHN MICHAEL”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

PHILLIPS 66 CO

1 patent

CONOCOPHILLIPS CO

1 patent

SCHMIDT ROLAND

1 patent

HAYS JOHN MICHAEL

1 patent